Tire tread



FIG. 1 is a front elevation view of a tire tread showing our new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front, right perspective view thereof; and,

FIG. 5 is an enlarged partial front elevation view thereof.

The broken lines in the drawings illustrate portions of the tire that form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 